C63.9 — Malignant neoplasm of male genital organ, unspecified
Is C63.9 billable?
Yes, but C63.9 is an unspecified code. C63.9 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, C63.9 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting C63.9 — the more specific alternatives are listed below.
C63.9 at a glance
| Code | C63.9 |
|---|---|
| Description | Malignant neoplasm of male genital organ, unspecified |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does C63.9 group to?
C63.9 sits in MDC 12 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 715Male Reproductive System and Other O.R. Procedures for Malignancy with CC/MCCsurgical
- 716Male Reproductive System and Other O.R. Procedures for Malignancy without CC/MCCsurgical
How is C63.9 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to C63.9. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Melanoma › skin › male genital organNEC (malignant)
Inclusion terms
Alternative wording in documentation that is classified to C63.9.
- Malignant neoplasm of male genitourinary tract NOS
How long has C63.9 existed?
C63.9 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
Which codes are confused with C63.9?
ICD-10-CM declares these codes mutually exclusive with C63.9 — exactly one of each pair can be correct for a given encounter.